Secondary or storage multivolt battery



UNTE

WILLAlV ERNEST I".

peeieet on of Letters .Pa tent.

Application iled .August 23511913. Serial No. lf.

To all @l1/7mm z5 may] concern;

Be 'it known that lvVILL'iM ERNEST Klmsxnwf, a citizen of the United States, and, a resident ol' Philadelphia, in tl'fe county oi' 1.)l'iiladelphizi and Stute of liennsylvenin, have 'inif'entedcertain new andL-nsefnl linprovernents in Secondi-uy or Store linltivolt Batteries, of which the folio fing is specification. y

rlhe principal objects ol the present vention are, to provide a durable secondary or storage innltivolt battery of low internal resistance' and high discharge rete and. which may be very light inl prcnportion to its high voltage; to provide for properly spaciing and alining the elements inthe pileyto provide effective insulation for preventing short circuits; to provide lo: ventilation; to protect the absorbent'electrolyte carriers from pressure, and to prevent creeping of the electroylte.

The invention will be claimed at the end hereof, but will be irst described in connection with the embodiment of it chosen Afor the sake of illustration in the accompanying drawings, forming part hereof, and in which- Figurei l, is a transverse sectional viewv of a, battery embodying features of the invention.

l Fig. 2, is a side view' section.

Fig. 3, is a sectional view on the line 3-3 of Fig. 2. ,y

Figs. 4C and are respectively a plan and sectional view of an element support.

Fig. 6, is a perspective view of an insulatiinfr spacing rin `Iligs. 7 and 8 are i'es' ectivel.y a plein and e sectional View ,of a inodiii'zetion of the element support.

Fig. 9,l is a section ol' a part oli an element support embodying a niodilication, :ind

Fig. l0, is a sectionof several' element supports embodying another modification, showing also the spacing rings.

In thedratvings l, are ribs on each face of the element-s 2, and these ribs conline or surround the active material or materiel adapted to become active 3. in the case olz the elements at the ends oil' the pile of eler .ments the outside faces oi' these elements may be devoid of ribs. Ll, are sewing und insulatingrings, as oit herd rubber or otl insulating material, and the interposfm between the elements 2 and over 'ribs of the saine,l partly in 'escape el? gas and te cli adjoining or ,confrontin;- el. 'll rings may be notched al 5 'for the l admission offwater or ce. mers,

I oi? supports, leaiiii f marginal portions oli trie supports outside ol' the ribs. To these marginal portions 7 of they supports, an acid resisting coating 8, is ap plied. This coating may consist oi asphalt and rubber paint. The coating 8, prevents acid from creeningv and opposes the for1nation of lend sulfate which would cause evaporation oil the electrolyte and give rise to capillary action and possibility oit' short eireniting. The marginal portions 7 may be dislied, as at 9, Figs. 2 and 3, and when this is done it is usefril in retaining` electrolyte which .may be forced ont by when t/he battery is Charged soon alter 'having been filledwith electrolyte nid.4 The mar-- ginel portion 7 presents an edge. which in itself, vand whether (lished. or not dished in Fig if), tends tooppose creeping;` of the electrolyte, and this op 1. 3-o-siiionh may be in creased by providing a groove l0, Figs. and Q, 'so that two edges and sented. rlfhe groove .inay be formed in lthe rini of the support, or the edge portion of the support may be bent to forni the 'grooveas shown et il, 9, or the support may consist of two superposed reversely dislied perts l2, S, in electrical Contact, as by Welding", and in this case each part l2, may be provided with flange 13 .and the flanges f1.3 .by mutual engagement serve vto aline the parte during fisseinbly and While they are connected in electrical contact. le, is a freine, as of hard rubber which serves' to hold the assembled pile and 15 are 'connectors or terminals projecting from the snpports of the end. elements which, of course, are provide ontheir inner laces only'tvith active man iai or material adapted to be come fictive.

W o "Y .and leaving e seid. that 'the for example, only eleven-thousandths 'ot an inch thick, and there may be, for instance5 one hundred and twenty elements, so that the invention can be embodied in a very light and compact battery of high voitage, but of course this is not the only embodiment of the invention. v

What I claim is:

, 1. In a secondary or storage multiwolt battery the combination of ribs on each face of the elementsfand spacing rings fitting the ribs 4 of adjoining elements, substantially as described.`

. 2. A secondary or storage multiyolt battery element consisting of a support havA ing` a rib on each face inside of the margin`v active material or material adapted to become active applied to the support and conn fined Within the ribs, and a dry self supporting coating of paint applied to the marginal portions of the supports outside of the ribs,

' substantially as described.

3.*.2111 a secondary or storage multi-Volt battery the combination of elements having facial ribs surrounding the active 'material or material adapted to become active, electrolyte carriers between said material, and spacing rings encircling and itting the ribs Lernens oit adjacent eiements and provided with openings, substantially as described..

in a secondary or storage multi-Volt battery the combination of element supports having facial ribs spaced from the edges and having marginal portions outside oi' the ribsj active material or material adapted to become active confined by the ribs, spacing 'and insulating rings receiving -and fitting the ribs of adjacent supports, absorbent electrolyte carriers arranged Within the rings, and an acid resisting coating applied to the marginal portions of the supports outside of the ribs.

In a secondary or storage multi-volt battery the combination of element supports having Jfacial ribs spaced from the edges and having marginal portions outside of the ribs, active material or material adapted to become active confined by the ribs, spacingl andinsulating rings receiving and fitting the ribs of adjacent supports, absorbent electrolyte carriers arranged Within the rings, and an acid resisting coating applied to the marginai` portions of the supports outside of the ribs. 

